// 收藏表 (UserFavorite.java)
package mock;
import lombok.Builder;
import lombok.Data;
import java.time.LocalDateTime;
@Data @Builder
public class UserFavorite {
    private Integer favoriteId;
    private Integer userId;
    private Integer itemId;
    private Integer itemType;       // 1:产品 2:攻略等
    private LocalDateTime createTime;
}
